
*{
    padding: 0;
    margin: 0;
    list-style: none;
    text-decoration: none;
}
body{
    height: 900px;
}
.nav_mark{
    height: 69px;
    background-color: pink;
}

.nav_header{
    height: 86px;
    width: 100%;
    text-align: center;
    background-color: #00A0D8;
}
.nav_header .img{
    height: 128px;
    width: 1000px;
    display: inline-block;
    background: url(https://s1.hdslb.com/bfs/static/account-fe/static/img/rl_top.35edfde.png) no-repeat;
}
.content{
    height: 700px;
    width: 1008px;
    margin: 0 auto;
    margin-top: 27px;
    border: 1px solid #e1e2e5;
}
.content .left{
    float: left;
    height: 100%;
    width: 170px;
    background-color:#FAFAFA ;
    border-right: 1px solid #e1e2e5;
    overflow: hidden;
}
.cls {
    display: inline-block;
    height: 100%;
    width: 100%;
    color: black;
    position: absolute;
    z-index: 2;
    left: 0;
}

/* 左侧栏starting */
.left .title{
    display: block;
    width: 100%;
    height: 50px;
    text-align: center;
    line-height: 50px;
    font-size: 16px;
    color: #99a2aa;
    cursor: default;
    border-bottom: 1px solid #e1e2e5;
}
.sidebar_list li{
    display: block;
    text-align: center;
    width: 100%;
    height: 48px;
    line-height: 48px;
    position: relative;
}
.sidebar_list span{
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: rgba(6, 2, 9, 0.08);
    left: -183px;
    /* left: -12px; */

}
/* 左侧栏ending */
